List of Top App Designing Companies in California | Top App Designing Companies in California
51 to 250
$101 - $150 /hr
App Designing (UI/UX)
USA
Intellectyx is a next-generation technology company specializing in AI agent development, Agentic AI Strategy and AgentOps for enterprises, governments, and nonprofits worldwide. Read More About Intellectyx Inc
51 to 250
$51 - $100 /hr
App Designing (UI/UX)
USA
Diffco is a San Jose-based company specializing in AI, custom software development, and staffing services. With more than 17 years of expertise in creating dependable solutions for mobile, web, and AI applications, it is committed to driving and supporting the growth of your business. Read More About Diffco
11 to 50
$101 - $150 /hr
App Designing (UI/UX)
USA
We deliver digital solutions that help businesses scale faster, innovate smarter, and compete stronger. From mobile apps to AI-powered software and custom platforms — we manage the full development lifecycle across iOS, Android, and web. Trusted by startups, enterprises, and entrepreneurs in fintech, healthcare, and education. We don't just build software; we build what moves businesses forward. Read More About Idea Maker Agency
Define Your Project Scope Before You Compare Companies
Create a detailed scope of work using AI in minutes. A well-defined scope helps vendors understand your needs better and provide accurate timelines and pricing.
Generate Scope with AITakes less than 2 minutes
51 to 250
$26 - $50 /hr
App Designing (UI/UX)
USA
Professional WP support services providing reliable WordPress website maintenance, updates, security monitoring, troubleshooting, performance optimization, and technical assistance. We help businesses keep their websites secure, fast, and running smoothly with expert support and ongoing maintenance solutions tailored to ensure stability and long-term website performance. Read More About WP support
11 to 50
< $25 /hr
App Designing (UI/UX)
India, USA
Techcronus Business Solutions is a global provider of Digital Solutions using cutting-edge technologies since 2010. Our value proposition is our strength that distinguishes us in terms of industry specific services, emerging technology expertise, strategic alliances with professional consultants and business experts, and long-term partnership commitments. Read More About Techcronus
11 to 50
$101 - $150 /hr
App Designing (UI/UX)
USA
Sileria specialized in App Development – be it Native Mobile Application, Graphics & VR, Gadgets & Wearables, Enterprise & Web, Embedded Systems or Robotics – Sileria has the precise talent and expertise to be one of the leaders in the software development industry. Read More About Sileria Inc
11 to 50
$101 - $150 /hr
App Designing (UI/UX)
USA
Bastion Rare is the Digital Agency within Bastion Collective where the planning and implementation of innovative creative, engineering, and digital marketing concepts come to life. We are a leader in developing award-winning Web & mobile applications and helping organizations and entrepreneurs translate complex business challenges into innovative digital solutions. Read More About Bastion Rare
11 to 50
$51 - $100 /hr
App Designing (UI/UX)
Uruguay, USA
asap developers is a San Francisco App Development company. We specialize in web and mobile app development for iOS and Android. With our team of engineers and designers we’ve developed awesome MVPs for many startups and San Francisco Bay Area companies. asap developers software engineers you can trust. We love to build your future! Read More About Asap Developers
51 to 250
$26 - $50 /hr
App Designing (UI/UX)
USA
Nexure IQ is a leading AI development company offering a comprehensive range of services to empower businesses with innovative, customized solutions. Read More About Nexure IQ
11 to 50
< $25 /hr
App Designing (UI/UX)
USA
IntuitionLabs is a Silicon Valley firm building AI software for pharma. Led by veteran Adrien Laurent, we bridge the gap between GenAI and regulations like FDA 21 CFR Part 11 and GxP. As a Veeva Vault CRM X Pages Partner, we offer Veeva Nitro integration, data engineering, and clinical chatbots. Our four step method (Assess, Train, Support, Measure) ensures compliant digital transformation and real time sales insights for leaders like Scilex. Read More About IntuitionLabs
2 to 10
$51 - $100 /hr
App Designing (UI/UX)
USA
LawRank is a premier legal marketing agency that specializes in SEO, PPC, and web design. We have a proven track record of achieving first-page results for attorneys in the most competitive markets. Read More About LawRank
51 to 250
< $25 /hr
App Designing (UI/UX)
USA, Australia
BugRaptors pioneers' software testing with AI-driven automation, offering a diverse array of software testing and QA services to ensure your applications' excellence. With a track record of smashing half a million bugs, we blend innovation with expertise to elevate your software's performance. Our commitment to quality assurance is unwavering, making BugRaptors your go-to partner for cutting-edge testing solutions. Read More About BugRaptors
Exceptional Security Testing Services for Banking Software
Katherine Williams,
2 to 10
< $25 /hr
App Designing (UI/UX)
India, USA
Naveck Technologies is a premier offshore development company, connecting businesses with top-tier remote software developers, UX/UI designers, product managers, and technology consultants. We specialize in providing dedicated teams to startups, SMEs, and large enterprises, offering expertise across a wide range of modern technologies and programming languages. Read More About Naveck Technologies
Need assistance in finding the best match for you requirements?
Let Our AI Algorithm Connect You with Top Industry Experts.
Get Your AI-Powered Shortlist
51 to 250
$26 - $50 /hr
App Designing (UI/UX)
USA
Web Design Mechanic is a full-service digital agency offering custom web design, development, mobile apps, branding, animation, and digital marketing solutions. We help businesses grow online with creative, user-focused, and results-driven strategies. Read More About Web Design Mechanic
251 to 1000
$26 - $50 /hr
App Designing (UI/UX)
India, USA
CONTUS Tech is your turnkey partner for end-to-end product development, design, and strategy. As a leading full-stack software product design and development company, we build high-performance, scalable tech products engineered for rapid market launch and long-term success. Read More About CONTUS Tech
Can’t find the right partner for your project?
Get a list of top companies, handpicked by our AI to match your requirements.
Get a Personalized Shortlist
Research & Surveys
Explore the Latest News, Tips, and Advice for Your Business Success.
Top App Designing Companies in New York - May, 2026
